package com.cn.lyl.service;

import com.cn.lyl.model.NavModel;

import java.util.List;

public interface NavService {

    List<NavModel> findAllNav(NavModel navModel);

    int getCount(NavModel navModel);

    String addNav(NavModel navModel);

    String deleteNav(NavModel navModel);

    NavModel findInfo(int id);

    String changeInfo(NavModel navModel);
}
